Shutter assembly



FIG. 1 is a front elevation view of the shutter assembly;

FIG. 2 is a right side elevation view thereof and the left side elevation view is identical but reversed;

FIG. 3 is a top plan view thereof and the bottom plan view is identical; and,

FIG. 4 is a rear elevation view thereof. 

The ornamental design for a shutter assembly, as shown and described. 